. >>> a warning about a very popular energy drink. the concerns that it could be linked to more than a dozen deaths. >> police are trying to catch an arsonist, we'll tell you about the latest fires police believe he set just last night. >> parents in san jose have a lot of questions about why a registered sex offender was allowed at their children's school. we'll tell you why he was not arrested, and we'll have more on the sheriff's department investigation. >>> passengers report being stuck at airports or runways some people say they've been waiting for up to two hours this morning. for the flights to take off. united blames a computer out damage. this is video from news chopper 2 taken of sfo. you can see united planes parked at the terminal this is at least the third major computer outage for united since june. and it happens with continental. the passengers are being told by pilots and airport agents that the computers are down and they don't know when the system will returned. of course, this does not bode well for the airlines.